diff --git a/libgimp/gimpui.c b/libgimp/gimpui.c
index 54e04ee357..11bccd2e01 100644
--- a/libgimp/gimpui.c
+++ b/libgimp/gimpui.c
@@ -80,7 +80,9 @@ static void      gimp_ui_draw_pixbuf_layout     (GtkStyle      *style,
                                                  gint           x,
                                                  gint           y,
                                                  PangoLayout   *layout);
-
+#ifdef GDK_WINDOWING_QUARTZ
+static void      gimp_osx_focus_window           (void);
+#endif
 
 static gboolean gimp_ui_initialized = FALSE;
 
@@ -182,7 +184,7 @@ gimp_ui_init (const gchar *prog_name,
   gimp_dialogs_show_help_button (gimp_show_help_button ());
 
 #ifdef GDK_WINDOWING_QUARTZ
-  [NSApp activateIgnoringOtherApps:YES];
+  g_idle_add ((GSourceFunc) gimp_osx_focus_window, NULL);
 #endif
 
   gimp_ui_fix_pixbuf_style ();
@@ -492,3 +494,11 @@ gimp_ui_draw_pixbuf_layout (GtkStyle      *style,
   if (area)
     gdk_gc_set_clip_rectangle (gc, NULL);
 }
+
+#ifdef GDK_WINDOWING_QUARTZ
+static void
+gimp_osx_focus_window (void)
+{
+  [NSApp activateIgnoringOtherApps:YES];
+}
+#endif